By Ron Flatter,  Special to ESPN.com

Seldom does performance match excessive expectation.

Super Bowls are rarely super. Pay-per-view fights are hyped without money-back guarantees. And there’s that old expression that applies so perfectly to horse racing: There’s no such thing as a sure thing.

Then there was Secretariat at the 1973 Belmont Stakes.

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To see the video of ESPN’s Sports Century’s tribute to Big Red, click here